GPT-OSS 120B vs Nemotron-4 15B

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Nemotron-4 15B wins overall with a score of 45 vs 42 (3 point difference).Nemotron-4 15B wins 4 out of 4 categories.

Knowledge

Nemotron-4 15B

GPT-OSS 120B

48.8

Nemotron-4 15B

51.8

51
MMLU
54
50
GPQA
53
48
SuperGPQA
51
46
OpenBookQA
49

Coding

Nemotron-4 15B

GPT-OSS 120B

43

Nemotron-4 15B

46

43
HumanEval
46

Mathematics

Nemotron-4 15B

GPT-OSS 120B

50

Nemotron-4 15B

53

51
AIME 2023
54
53
AIME 2024
56
52
AIME 2025
55
47
HMMT Feb 2023
50
49
HMMT Feb 2024
52
48
HMMT Feb 2025
51
50
BRUMO 2025
53

Reasoning

Nemotron-4 15B

GPT-OSS 120B

48

Nemotron-4 15B

51

49
SimpleQA
52
47
MuSR
50

Frequently Asked Questions

Which is better, GPT-OSS 120B or Nemotron-4 15B?

Nemotron-4 15B scores higher overall with 45 vs 42, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, GPT-OSS 120B or Nemotron-4 15B?

Nemotron-4 15B leads in knowledge tasks with an average score of 51.8 vs 48.8.

Which is better for coding, GPT-OSS 120B or Nemotron-4 15B?

Nemotron-4 15B leads in coding with an average score of 46 vs 43.

Which is better for math, GPT-OSS 120B or Nemotron-4 15B?

Nemotron-4 15B leads in math with an average score of 53 vs 50.

Which is better for reasoning, GPT-OSS 120B or Nemotron-4 15B?

Nemotron-4 15B leads in reasoning with an average score of 51 vs 48.